Home / 14,387.38-21,579.52-3,858.46

Finding the Fourth Proportional to 14,387.38, 21,579.52 and 3,858.46

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Solution

The fourth proportional to 14,387.38, 21,579.52 and 3,858.46 is: 5,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.38 : 21,579.52 = 3,858.46 : x
  2. Step 2: Convert to fraction form
    14,387.38/21,579.52 = 3,858.46/x
  3. Step 3: Cross multiply
    14,387.38x = 21,579.52 × 3,858.46
  4. Step 4: Simplify right side
    14,387.38x = 83,263,668.47
  5. Step 5: Solve for x
    x = 83,263,668.47/14,387.38
  6. Step 6: Final answer
    x = 5,787.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.